The Rusan Modular Adapter Clamp is available in multiple diameters to match your riflescope’s objective bell—choose the size that corresponds to your scope’s outer diameter for a secure, tool-free fit with thermal or night vision clip-ons.
Precision fit. Repeatable accuracy. Built for low-light versatility.
📏 Available Sizes (Outer Objective Diameter)
Clamp Size
Use Case
48 mm
Compact scopes, lightweight optics
50 mm
Common hunting scopes
57.2 mm
Mid-size European optics
57.5 mm
Popular Pulsar & Zeiss models
62 mm
Large objective scopes
63.5 mm
Oversized tactical optics
65 mm
High-magnification long-range scopes
🛠️ Shared Features
Modular Design – Interfaces with Rusan bayonet-style connectors (sold separately) for thermal/NV attachments
Secure Fitment – Three-screw clamp ensures repeatable zero and firm hold
Slim Profile – Lower profile than lever-lock models, reducing bulk and snag risk
Durable Construction – CNC-machined aluminum with matte black finish for corrosion resistance
High Repeatability – Maintains zero even after repeated attachment/removal cycles
⚙️ Compatibility Tips
Requires a Rusan connector (not included) to link with your thermal or NV device
Compatible only with scopes that have exact outer objective diameters of 62mm or 63.5mm—measure carefully before ordering
Ideal for hunters, tactical shooters, and night operators needing fast, tool-free transitions between optics
🛠️ How to Choose the Right Size
Measure the outer diameter of your riflescope’s objective bell (not the lens itself). Match it to the closest clamp size above. If you're between sizes, choose the next size up and use a shim for secure fit.
Vortex Defender Flip Cap 50 Objective
The Vortex Defender Flip Cap 50 Objective is a rugged and reliable scope accessory designed to protect your riflescope’s objective lens while maintaining quick accessibility.
Key Features
Virtually Indestructible: Built to withstand harsh conditions and heavy use.
Universal Fit: Compatible with most Vortex Optics riflescopes with an objective lens diameter of 55-59mm.
Snap Flat Spring Design: Keeps your line of sight unobstructed when flipped open.
Multiple Stop Positions: Can be set at vertical, 45 degrees, or 90 degrees for flexible use.
Secure Fit: Snugly attaches to the objective lens, ensuring reliable protection.
Build & Durability
Material: High-quality polymer construction for long-lasting durability.
Weather-Resistant: Protects against dust, moisture, and debris.
Compact & Lightweight: Adds minimal bulk to your setup.
This flip cap is ideal for hunters, tactical shooters, and precision marksmen, ensuring your scope remains protected while allowing quick access when needed.
Vortex Defender Flip Cap Eyepiece
The Vortex Defender Flip Cap Eyepiece is a durable and versatile scope accessory designed to protect your riflescope while maintaining quick accessibility.
Key Features
Virtually Indestructible: Built to withstand harsh conditions and heavy use.
Universal Fit: Compatible with nearly all Vortex Optics riflescopes.
Snap Flat Spring Design: Keeps your line of sight unobstructed when flipped open.
Multiple Stop Positions: Can be set at vertical, 45 degrees, or 90 degrees for flexible use.
Secure Fit: Snugly attaches to the eyepiece, ensuring reliable protection.
Build & Durability
Material: High-quality polymer construction for long-lasting durability.
Weather-Resistant: Protects against dust, moisture, and debris.
Compact & Lightweight: Adds minimal bulk to your setup.
This flip cap is ideal for hunters, tactical shooters, and precision marksmen, ensuring your scope remains protected while allowing quick access when needed.
Vortex Low Pro Bubble Level 30mm
The Vortex Low Pro Bubble Level 30mm is a compact and efficient leveling tool designed to enhance shooting accuracy by ensuring proper rifle alignment.
Key Features
Slim, Low-Profile Design: Allows mounting without removing the scope from the rifle.
Easily Visible Bubble Level: Positioned for quick reference without losing sight picture.
Durable Construction: Made from aluminum, ensuring lightweight strength.
Quick Installation: Mounts easily to 30mm scope tubes for hassle-free setup.
Weather-Resistant: Built to withstand harsh conditions for reliable performance.
This bubble level is perfect for precision shooting, hunting, and tactical applications, helping shooters maintain proper rifle alignment for consistent accuracy. Let me know if you need further refinements.